Educational Science

More Velociraptor-Like Dinos Than Thought

Millions of years ago, there may have been three times as many species of tiny, flesh-tearing dinos roaming the United States and Canada than previously believed, researchers say. Only seven species of small, two-legged carnivores had been identified from the period between 85 and 65 million years ago, just before...

Knowledge of History May Change How You View Racism

Ignorance about the extent of racism in history might explain why some people perceive less racism today than others, researchers say. To examine possible reasons why different groups see the reality of racism differently, the researchers recruited college students — 199 of European descent and 74 of African descent —...

An advanced member of the largest group of dinosaurs ever to walk the Earth still had a relatively puny brain, researchers say. The scientists analyzed the skull of 70-million-year-old fossils of the giant dinosaur Ampelosaurus, discovered in 2007 in Cuenca, Spain, in the course of the construction of a high-speed...

Megadrought Took Long-Lasting Toll on Amazon

During the summer of 2005, a stretch of rainforest in the Amazon nearly double the size of California experienced a severe drought. In an area more than 270,000 square miles (700,000 square kilometers) across, dried-out trees toppled to the ground and leaves and branches withered away, especially among the forest's...

Chimps Learn Tool Use by Watching Others

Chimpanzees can learn to use tools more efficiently by watching how others use them, new research suggests. The findings help illuminate ways that culture could evolve in nonhuman animals. Social learning is very important to maintaining a culture, study researcher Shinya Yamamoto, of Kyoto University in Japan, told LiveScience. For...

Daddy's Sexism May Influence Daughter's Ambitions

NEW ORLEANS — Dads who have egalitarian ideas about gender — and who walk the talk by doing household chores themselves — have daughters with higher workplace ambitions than less egalitarian fathers do, new research finds. The research is correlational, so it doesn't prove that fathers' attitudes are the cause...

Erectile Dysfunction Raises Risk of Hospitalization for Heart Woes

The more severe a man's erectile dysfunction is, the greater his risk of being hospitalized for heart problems, a new Australian study finds. Among men in the study who had no history of heart disease, those with moderate erectile dysfunction (ED) were 23 percent more likely to be hospitalized for...